SANDSTONE

RECIPE:  PURCHASE IN SHOP 
TIME TO GROW: 7 MINUTES 37 SECONDS
HITS TO BREAK:  5
IS IT WORTH FARMING?

Sandstone cannot be found in regular worlds.  You can purchase the Sand Pack in the Shop which will give you 5 seeds to get started, and, fair warning, it may take you more than 1 Pack to get that farming going as, on average, you get 1.4 seeds per seed planted, and it takes 7 minutes 37 seconds to grow a Sandstone Tree.

Once you get it growing good though you will have tons of Sandstone blocks as it yields almost 20 blocks per 10 blocks broken!  In the latest update (08/30/2017), they added Fossils, which are best found by breaking all the types of sand blocks.  The video shows that you can gather dinosaur bones from breaking the Fossils and solving the puzzle and Bone Dust is what you get if don't solve the puzzle.  Bone Dust can be converted back into Fossils.  Bone Dust can be sold for about 10 per World Lock, but Sandstone is one of the worst gem-producing blocks at 1.7 gems per seed so don't use it to raise funds!

RECIPES USING SANDSTONE*

YELLOW BRICK

*This list may not be complete.  Let us know in the comments if you find something else!